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发明名称
Steam cylinder oil and process of preparing the same
摘要
申请公布号
US2231169(A)
申请公布日期
1941.02.11
申请号
US19390254504
申请日期
1939.02.03
申请人
TIDE WATER ASSOCIATED OIL COMPANY
发明人
LAZAR ARTHUR;CRENNA JOSEPH V.
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主分类号
代理机构
代理人
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